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1、单击此处编辑母版标题样式 单击此处编辑母版副标题样式 1 名词性从句精讲精练课件 名词性从句 主语从句宾语从句表语从句同位语从句 主语从句在句中做 宾语从句在句中做 表语从句在句中做 同位语从句在句中 主语宾语 表语同位语 1 That he will come is certain 2 I know that he will come 3 The truth is that I have been there 4 The fact that she was late surprised us 主语从句 宾语从句 表语从句 同位语从句 1 为什么叫名词性从句 2 整个从句相当于一个名词 比较
2、The man looked around That the boy failed again in the exam disappointed his mother 同样作主语 从句可以表示较复杂的含义 一般是个动作或性质 I know him I know that he is writing his composition in his room 2 为什么要有名词性从句 那人看了看四周 名词作主语 那孩子考试又不及格令他母亲很失望 从句作主语 我知道他在房间里写作文 从句的特征 是一个句子 有一个引导词 引导词做从句的一个成分 that 除外 名词能做的成分 从句都能 做 从句表达的意
3、思比名词复杂得多 主语从句 that whether who whom whose what which when where why how 从 句 引导词 1 That he knows Japanese is known to all 他懂英语 这一点大家都知道 令我惊讶的是在这儿见到他 3 When he will come is unknown 4 Whether he is coming doesn t matter much 他来不来没什么要紧的 他什么时候来不清楚 他们是怎么登上山顶的仍是个秘密 5 It remains a secret how they climbed up
4、 the mountain 主语从句的位置 1 在句首 2 主语较长时通常放在后面 句首主语用 It 主语太长了 放到句尾 Details Details Details Details That无词义 不可省略 What 什么 所 的 2 What surprised me was to see him here When 什么时候 主语从句不用 if 位于句首 It 作主语的常用句型有 1 It be 形容词 that 从句 2 It be 名称词组 duty pity that 从句 3 It be 过去分词 said thought that 从句 4 It 不及物动词 seem ha
5、ppen that 从句 It is a pity that we can t go swimming It is said that he told her everything It happened that I was out that day It is certain that he will do well in the exam 1 真可惜我们不能去游泳 2 碰巧那天我外出了 3 他考试肯定会考好 4 据说他已告诉了她一切 注意 It looked that he was right 可以说 It looks as if happen只有 it 句型 It is said只有
6、it 句 型 More 用形式主语 it 的主语从句常见结构 1 It is clear necessary important possible remarkable that 很清楚 必要 重要 可能 值得注意等 2 It is a fact a good thing good news that 事实是 好事是 好消息是 3 It is well known reported recorded estimated said believed that 众所周知 据报道 据记载 据说 据估计 4 It turns out seems happens appears that 结果 是 似乎
7、是 碰巧是 好象是 5 It has been found has been proved can be seen must be pointed out that 已发现 已证明 可以看出 需指出 用 it 句型翻译 1 据说今年高一学生要学新教材 2 事实是他们靠自己完成了所有的任务 3 碰巧他们已经参加过军训了 4 众所周知 比尔 盖茨是世界上最富有的人 5 我们应该养成好的学习习惯这很重要 It is said that the Senior Grade one students will learn a new text this year It is a fact that the
8、y finished all the work by themselves It happened that they had had their military training It is well known that Bill Gates is the richest person in the world It is important that we should form a good habit of studying Note It is important necessary natural our duty essential strange that sb shoul
9、d do sth 固定句型 should可以省略 翻译 真奇怪他今天竟然迟到了 It is strange that he should be late today strange不省略should为好 表语从句从 句 同主语从句 11个 外加as if 引导词 as though 1 The truth is that he has never been to the countryside 2 The question is whether w can finish the experiment by Friday 3 It looks as if it were going to rai
10、n 实际情况是他从未去过农村 that 一般不省略 问题在于我们能否在明天下午之前完成这项实验 表语从句不用 if 好象看上去要下雨似的 其实不会 as if as though从句常表示 不真实的情况 She talks as if as though she had been there before 她说话的口气好象以前去过那儿似的 又比如 4 This school is no longer what it was before 这所学校已不再是从前的那个样子了 what the thing that More 系动词后面 注意下列表语从句中where how why 的译法 1 Th
11、is is where Lu Xun once lived 2 That was how they won the match 3 This is why she got up so early this morning 这就是鲁迅曾经住过的地方 他们就是这样赢得这场比赛的 这就是她为什么今天早上起得这么早的原因 1 我们就是这样克服困难的 2 那就是他昨天缺席的原因 3 这就是我们上星期碰头的地方 This is That was how we overcame the difficulties That is why he was absent yesterday This is wher
12、e we met last Sunday This is 总是现在时 That is 表示性质 That was 指过去动作 固定句型 This is where This is why This is how 这就是 的地方 这就是 的原因 这就是 的方法 宾语从句中的连接词that在以下三种情况下不 能省略 v 1 当that 从句与另一名词性从句并列作 宾语时 第二个that不能省 v 2 当that作介词宾语时 that不可省掉 v 3 用it做形式宾语的宾语从句 vEveryone knew what happened and that she was worried vThe re
13、ason lies in that she works harder than the others do 宾语从句 whether与if的辨用 v表 是否 时 在下列情况下用whether va 主语从句 b 表语从句 c 同位语从句 e 介词后的宾语从句 f 后接动词不定式 whether to do sth g whether or not 连在一起引导宾语从 句时不用if 1 whether和if都可以引导宾语从句 a 当whether后紧跟or not时 不用if eg I don t know whether or not I will stay b 介词后面的宾语从句不能用if
14、eg I worry about whether I hurt her feeling 2 注意 whether和if的使用区别 Practice time if whether 1 I asked her she had a bike 3 We re worried about he is safe 4 I don t know he is well or not 5 I don t know or not he is well 8 I don t know to go if whether whether whether if whether whether 1 I doubt if wh
15、ether he will pass the exam 2 I don t doubt that we will win the match 3 Do you doubt that he did it on his own doubt问题 肯定句中用 if whether 否定句中用 that 疑定句中用 that 1 I doubt he is telling the truth 2 We never doubt the plan will be carried out 3 Does he doubt you are from Austria 4 I m doubtful he will a
16、gree to this if whether that that if whether 宾语从句经常做介词的宾语 1 The Swede stood still except his lips moved slightly 2 She is not satisfied with she has achieved 3 Mary always thinks of she can do more for the class 4 He wrote a letter of thanks to helped him 任何一个 5 It depends on if we have enough time whether we have enough time 介词后面不用 if that what how whoever 6 Are you sorry for which you have done what you have done 介词后面不用 which 宾语从句经常作表语形容词的宾语 1 I m afraid that I ll be late 2 We were surprised t
